import 'dotenv/config';
import http from 'http';

import fs from 'fs/promises';
import url from 'url';
import path from 'path';

const _filename = url.fileURLToPath(import.meta.url);
const _dirname = path.dirname(_filename);

console.log(_dirname,_filename);


import { stringify } from 'querystring';

const PORT = process.env.PORT
const server = http.createServer(async(req, res) => {
 try{

 if (req.method === 'GET') {
let filePath;

    if (req.url === '/'){
        filePath =path.json(_dirname,'public','index.html');
      
    }else if (req.url === '/about'){
        filePath = path.json(_dirname,'public','about.html');
       
    }else {

       res.writeHead(404,{'Content-Type':'text/html;charse=utf-8'});
      
      res.end('<h1>页面未找到</h1>');
      return;    
    }

 const data = await fs.readFile(filePath);
 res.setHeader('Content-Type','text/html; charset=utf-8');
 res.writeHead(200);
 res.end(data);



}else {
    res.writeHead(400,{'Content-Type':'text/html;charest=utf-8'});
    
    res.end('<h1>非法请求</h1>');
}
 } catch (error) {
    
     res.writeHead(500,{'Content-Type':'text/html;charset=utf-8'});
    res.end(`<h1>服务器错误</h1>`);
 }
 


    
    });

    server.listen(PORT, () => {
        console.log(`服务器已启动，监听端⼝${PORT}`);
        });